Linked to weight gain in women
Sleeping with a television or light on in a bedroom may be a risk factor for gaining weight or developing obesity, researchers report.
Scientists at the U.S. National Institutes of Health have analysed data from over 43,500 women in the Sister Study, which examines risk factors for breast cancer and other diseases, with the participants aged between 35-74 years.
The study questionnaire asked whether the women slept with no light, a small nightlight, light outside of the room, or a light or television on in the room, and accordingly, they found an association between any exposure to artificial light at night while sleeping and weight gain in women.
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